Continuity mistake: When Yosemite Sam is chasing everyone through Las Vegas he drives the race car through a souvenir stand. This puts a large dent in the front hood of the car. This dent disappears when the car is shown next.

Continuity mistake: Brendan Fraser closes Daffy's beak in the car window as they are leaving the garage. When they pull out of the garage and Daffy is back in the car the window is all the way open again.

Revealing mistake: When the Chairman is watching the TV screen where Damien Drake is being interrogated, the man steps in front of the screen and says "he's about to crack," then he walks backwards as if being pulled, but you can tell the moment Damien puts his legs around him, after several steps. So what pulled him back?

Continuity mistake: In the opening scene when Brendan Fraser falls on the table, he stands up and it goes flying. There are only empty plates on it, but when it shows the film directors, they are covered in food.

Continuity mistake: When DJ and Daffy leave, the car that comes up from the revolving floor is a TVR Tuscan,but when Kate and Bugs,leave for Las Vegas in it, it turns into a Lotus Elise.If you live in Europe, and like cars, this is easy to spot,because the Lotus is and open top car with a flat rear-end, while the TVR is a closed roof car and has a rounder rear-end.

Continuity mistake: In the scene with DJ and Daffy Duck in DJ's house, Daffy throws an apple at DJ's face and hits him on the cheek. In the next shot, DJ's rubbing his forehead, as though he got hit there.

In the casino, while D.J. is fighting with Yosemite Sam's goons, Daffy tells him to "bite his ear." This is a reference to boxer Mike Tyson, who bit off a portion of Evander Holyfield's ear during a match.